| Primary address | 9 Tredwell Court, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | None (unincorporated town) |
| Parcel ID | 15-47-201 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 3,349 |
| Building class | Two Family Year - Round Residence (220.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.187 |
| Buildings on lot | 1 |
| Year built | 1981 |
| Stories | 2 |
| Style | Colonial |
| Rooms | 12 |
| Bathrooms | 4 |
| Half bathrooms | 3 |
| Attic | None |
| Basement | Full |
| Exterior wall | Frame |
| Heating type | Central |
| Heating system | Hot water |
| Fireplace | 1 |
| Zoning district | Register (See more on map) |
| School district | Syosset |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
9 Tredwell Court, Syosset, NY 11791 was built in 1981 and has a total of 3,349 square feet.
What is the assessed value of 9 Tredwell Court, Syosset, NY 11791 and the property tax paid?Assessed at $825, the tax amount paid for 9 Tredwell Court, Syosset, NY 11791 is $26,586.
When was 9 Tredwell Court, Syosset, NY 11791 last sold and what was the last sale price?9 Tredwell Court, Syosset, NY 11791 was last sold in 12/09/2003 for $759,000.
How many residential units does this building have?This building has 2 residential unit(s).
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 9 Tredwell Court, Syosset, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 12/09/2003 | $759,000 | Register | Register |
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 9 Tredwell Court, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Base tax | $26,587 |
| Current property tax | $25,162 |
| Tax class | Register |
| Market value | $825,000 |
| Assessed value | $825 |
Here's the assessment & property tax history for 9 Tredwell Court, Syosset, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025 | $841,000 | $841 | 3105.677 | $26,119 | -4.48% |
| 2024 | $877,500 | $823 | 3322.462 | $27,344 | -9.78% |
| 2023 | $878,000 | $878 | 3452.063 | $30,309 | -7.20% |
| 2022 | $865,000 | $865 | 3775.603 | $32,659 | -10.87% |
| 2021 | $865,000 | $865 | 4236.241 | $36,643 | +67.13% |
The complete history of permits filed for 9 Tredwell Court, Syosset, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 9 Tredwell Court, Syosset, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 9 Tredwell Court, Syosset to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Edward Confessor School | NR | Private | PK-8 | 265 | 0.38 |
| St Edward Confessor School | NR | Private | PK-8 | 265 | 0.38 |
| Village Elementary School | 9 | Public | K-5 | 415 | 0.53 |
| Berry Hill Elementary School | 8 | Public | K-5 | 450 | 1.03 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.03 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Edward Confessor School | NR | Private | PK-8 | 265 | 0.38 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.03 |
| South Woods Middle School | 8 | Public | 6-8 | 746 | 1.24 |
| H B Thompson Middle School | 9 | Public | 6-8 | 997 | 1.50 |
| The Center For Developmental Disabilities | NR | Private | 105 | 1.55 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.03 |
| Our Lady Of Mercy Academy | NR | Private | 9-12 | 359 | 1.24 |
| Syosset Senior High School | 10 | Public | 9-12 | 2,266 | 1.35 |
| The Center For Developmental Disabilities | NR | Private | 105 | 1.55 | |
| Fusion Academy Woodbury Ny | NR | Private | 6-12 | 75 | 1.64 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 9 Tredwell Court, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 5 Edna Dr, Syosset | 1,520 | 06/02/2015 | $630,000 |
| 1 Tredwell CT, Syosset | 2,390 | 10/18/2020 | |
| 69 Roosevelt Ave, Syosset | 2,138 | 04/07/2014 | |
| 77 Roosevelt Ave, Syosset | 1,581 | 10/09/2020 | $595,000 |
| 32 Richmond St, Syosset | 2,052 | 07/13/2001 | |
| 36 Richmond St, Syosset | 1,375 | 08/27/2014 | $369,000 |
| 4 Edna Dr, Syosset | 1,167 | 09/21/2012 | $355,000 |
| 7 Tredwell CT, Syosset | 2,830 | 01/20/2021 | $845,000 |
| 20 Richmond St, Syosset | 1,248 | 02/28/2006 | |
| 22 Richmond St, Syosset | 2,071 | 10/26/2019 | |
| 7 Willis Ave, Syosset | 3,124 | 05/26/2020 | |
| 34 Richmond St, Syosset | 1,924 | 04/05/2017 | |
| 3 Tredwell CT, Syosset | 2,766 | 07/30/2024 | $800,000 |
| 16 Richmond St, Syosset | 1,765 | 02/07/2003 | |
| 11 Tredwell CT, Syosset | 2,816 | ||
| 5 Willis Ave, Syosset | 2,804 | 02/23/2005 | |
| 2 Edna Dr, Syosset | 1,170 | 09/21/1992 | $170,000 |
| 75 Roosevelt Ave, Syosset | 1,513 | 10/06/1997 | $262,500 |
| 3 Willis Ave, Syosset | 2,257 | ||
| 5 Tredwell CT, Syosset | 3,042 | 09/29/2020 |